Airman 1st Class Jonathan Balko, 28th AMXS electro-environmental systems apprentice, removes a layer of tools in a composite tool kit while checking in tools used during his shift in the maintenance support section on Ellsworth Air Force Base, S.D., June 26, 2012. Airmen inspect tools that they turn in to ensure all equipment is serviceable and accounted for. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)